diff --git a/src/bootstrap/native.rs b/src/bootstrap/native.rs
index b32629af4d3..d1397394be7 100644
--- a/src/bootstrap/native.rs
+++ b/src/bootstrap/native.rs
@@ -180,6 +180,7 @@ impl Step for Llvm {
             .define("LLVM_INCLUDE_EXAMPLES", "OFF")
             .define("LLVM_INCLUDE_DOCS", "OFF")
             .define("LLVM_INCLUDE_BENCHMARKS", "OFF")
+            .define("LLVM_INCLUDE_TESTS", "OFF")
             .define("LLVM_ENABLE_TERMINFO", "OFF")
             .define("LLVM_ENABLE_LIBEDIT", "OFF")
             .define("LLVM_ENABLE_BINDINGS", "OFF")